Perimeter is a NAML Division 'AA' member. The North Atlanta Metro League, referred to as 'NAML', is a middle school athletic league for private schools founded in 2001. NAML currently has 28 north atlanta metro area member schools which particpate through the league in the following sports:
- Fall - Volleyball, Cross Country, Boys Soccer, Fast Pitch Softball
- Winter - Basketball, Swimming, Wrestling
- Spring - Boys and Girls Soccer, Baseball, Track & Field, Tennis and Golf
For further information about NAML, including participating schools and contact information, please visit NAML's home page.